Frida + VSCode Example (app.js)

app.js

#!/usr/bin/env node
'use strict'

const co = require('co')
const frida = require('frida')
const fs = require('fs-promise')
const path = require('path')
const sleep = require('co-sleep');
const pkg = require('./package.json')

const processName = process.argv[2]
if (typeof processName != 'string') {
  console.log('Usage: ... <process name>')
  return
}

co(function* () {
  const session = yield frida.attach(processName)
  session.enableDebugger({ port: 6666 })
  const script = yield session.createScript((yield fs.readFile(require.resolve('./agent'))).toString(), {
    "name": `${path.join(process.cwd(), 'agent')}`
  })

  script.events.listen('message', (message, data) => console.log(' [i] %s', message))

  yield script.load()

  if(process.argv.includes('debug')) {
    console.log(' [*] Sleeping 5 seconds for debugger attach')
    yield sleep(5000)
  }

  const agent = yield script.getExports()
  yield agent.doSomethingInteresting()

  yield [script.unload(), session.detach()]

  console.log(' [*] Done.')

}).catch(err => {
  console.error(' %s', err.stack)
})